A primary mirror segment of NASA’s James Webb Space Telescope has completed the final step in the manufacturing process. It is the first of the telescope’s primary mirror segments to achieve this ...

Manufacturing of the James Webb Space Telescope (JWST) progressed further with the delivery of the telescope’s first mirror segment for grinding and polishing in late September. Northrop Grumman ...

Add Yahoo as a preferred source to see more of our stories on Google. Aug. 31—CANTON — A massive 11-foot-wide mirror, created in Canton, is installed at the Vera C. Rubin Observatory in Chile. The ...

It takes two unique types of mirrors working together to see farther back in time and space than ever before, and engineers at NASA’s Goddard Space Flight Center have just received one of each type.

University of Arizona Richard F. Caris Mirror Lab staff members placing nearly 20 tons of Ohara E6 low expansion glass into a mold for casting the Giant Magellan Telescope’s seventh primary mirror ...

PASADENA, CA — September 26, 2023 — The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the ...